65 results about "High silica" patented technology

The invention discloses a composite heat insulation coating structure and method for a high-temperature component of an unmanned aerial vehicle. The structure comprises a heat insulation base material layer made of a high silica glass fiber material and a reflecting layer made of metal foil, and the heat insulation base material layer and the reflecting layer are compounded into a whole. The reflecting layer is used for reflecting heat radiation, and the heat insulation base material layer is used for blocking heat conduction. The problems that a traditional ceramic fiber material is prone to embrittlement and short in service life in a high-temperature vibration environment are effectively solved through a double heat insulation mechanism of reflection-blocking. The coating structure has excellent heat-resistant cyclicity, good flexibility and process adaptability, can perfectly fit special-shaped structures such as a bulkhead and a tail cover of the unmanned aerial vehicle, and remarkably improves the reliability and prolongs the service life of a thermal management system of the unmanned aerial vehicle.

The utility model belongs to the technical field of composite materials, and particularly relates to a low-cost light ablation-resistant high-performance cuttable heat-proof sleeve which comprises a cylindrical prefabricated body, the prefabricated body is formed by stacking a plurality of quartz net tires and a plurality of high-silica cloths from inside to outside and connecting the quartz net tires and the high-silica cloths through needling, two layers of high-silica cloths are arranged between every two adjacent quartz net tires, and the two layers of high-silica cloths are connected through needling. The high silica cloth on the outer layer of the two layers is laid relative to the high silica cloth on the inner layer in a rotating mode, a resin matrix is formed on the prefabricated body in a curing mode through the RTM technology, and the detonating cord cutting cabin opening experiment device is light, resistant to ablation, good in heat insulation performance, large in specific heat capacity, low in heat conductivity coefficient and good in detonating cord cutting cabin opening experiment effect.

The utility model discloses a kind of high-silica glass fiber ball drop ball collecting devices, it is related to glass fiber processing technical field, including support and box, box includes closed frame and ventilation frame, support is installed in closed frame bottom, ventilation frame is connected in closed frame top and inside intercommunication, closed frame inside is by several inclined plate inverted trapezoidal groove is formed, trapezoidal groove bottom of closed frame side wall is equipped with ball outlet, pull door is equipped at ball outlet;Ventilation frame side and top are each equipped with metal net, the metal net on ventilation frame top is equipped with ball inlet, ball inlet is connected with ball conveying guide rail, and the side opposite to the outlet of ventilation frame and ball conveying guide rail is installed with buffer plate.The utility model is connected by using closed frame and ventilation frame to form storage box, ventilation frame side and top are formed by metal net, it is convenient to ventilate and radiate heat, reaches directly through ball conveying guide rail to convey storage after glass ball processing, and cooling can be carried out simultaneously by heat dissipation and ventilation to glass ball.

The invention provides a temperature and humidity alternating resistant water-based paint and a preparation method thereof. The temperature and humidity alternating resistant water-based paint is composed of a component A and a component B, the component A comprises an elastic emulsion, an anti-freezing agent, a coalescing agent, a wetting dispersant, a defoaming agent, a thickening agent, a multifunctional additive, water and at least one of glass fibers, high silica fibers and sepiolite fibers; the component B comprises a cross-linking agent; the cross-linking agent is an isocyanate curing agent, an oxazoline cross-linking agent or an aziridine cross-linking agent. According to the temperature and humidity alternating resistant water-based paint provided by the invention, components with specific contents are adopted, so that relatively good overall interaction is realized, and a coating can have good stability in a complex temperature and humidity change environment; and the component A can also comprise a fireproof filler and a flame retardant, can expand and foam when meeting flames to form a foam expansion layer, has high strength and compactness, can prevent flame heat transmission and prolong the fire endurance of the base material, and has good fire resistance.

The utility model relates to equipment for purifying high-quality silicon dioxide from rice hull ash. The equipment comprises a recycling barrel, a rotating rod and a motor, the rotating rod penetrates through the recycling barrel, the bottom end of the rotating rod is rotationally connected with the inner edge of the bottom end of the recycling barrel, and the motor is installed on the surface of the top end of the recycling barrel. After silicon dioxide is precipitated, a spiral thread is rotated, a displacement rod can rotate and stretch out and draw back under the action of thread transmission, the U-shaped frame stretches out and draws back under the action that the displacement rod is hinged to the U-shaped frame, and a first gear rotates and a baffle turns over under the action of meshing transmission; the recovery barrel is roughly divided into two layers, the blocking effect can be further improved through the blocking pad, liquid in the extraction pipe is sucked through the extraction pipe, silicon dioxide on the bottom layer is not prone to being affected by the extraction pipe, the liquid and a large number of sodium ions are sucked away, and then the purification quality of silicon dioxide is improved.

The invention discloses a composite fireproof heat insulation pad for a battery pack and a preparation method thereof, and belongs to the technical field of battery safety. The heat insulation pad is of a double-layer composite structure, the inner layer is a high-silicon-dioxide glass fiber needled felt heat insulation core layer, and the outer layer is a ceramic silica gel glass fiber cloth fireproof coating layer. The two layers are sewn into a whole through high-temperature-resistant sewing threads, and a back adhesive layer is arranged on one side of the two layers. The product provided by the invention has excellent fire resistance (can tolerate flame at 1000 DEG C for 30 minutes), excellent heat insulation, excellent flexibility and thermal shock resistance, and is convenient to install. The preparation process is simple, can be completed through cutting, wrapping and sewing and gum application, and is suitable for large-scale production. The product can effectively delay or prevent heat spreading in the battery pack, and the battery safety level of the new energy automobile is remarkably improved.

The invention belongs to the field of post-treatment of high-silica glass fiber cloth, and relates to a high-silica glass fiber cloth cleaning and sewing process. Due to the fact that existing high-silica cloth with the thickness of 0.4 mm is not sintered, the surface of the cloth can become yellow when the cloth works for a long time in a high-temperature working environment (the working temperature is 400 DEG C), and the appearance of a sewing product is changed. If high-silica cloth (sintered) with the thickness of 0.4 mm is used, the sewing quality can be influenced, and the strength of the sewing position is not enough after sewing. In order to overcome the manufacturing pain point of an existing product, the invention is studied, and the main technical means adopted by the invention is as follows: high-silica glass fiber cloth is pre-cleaned by a solvent and then sintered at a low temperature, so that the cleaning treatment of the cloth is completed. The process of cleaning and low-temperature sintering is adopted. The strength of the sewing line position of the cloth can be guaranteed, it can be guaranteed that the cloth does not become yellow or black in the high-temperature working environment (the working temperature is 400 DEG C), and the problem of the pain point of the processing technology is solved.

The utility model discloses a silica gel heat insulation cover material structure for a forklift silencer, a heat insulation cover is formed by sewing a plurality of layers of materials in a composite mode, silica gel cloth on the outermost layer is low in normal temperature heat conductivity coefficient, good in tensile strength, incombustible in grade A and resistant to 550 DEG C, and the actually measured temperature of the outer side does not exceed 100 DEG C; the second layer of glass fiber cotton enhances heat insulation; the third layer of ceramic fiber cotton and the fourth layer of high silica cloth can resist the temperature of 850-1000 DEG C, so that the high temperature resistance is provided together; the lining 304 stainless steel wire mesh on the innermost layer is wear-resistant. The heat insulation cover can be woven, sewn and tightly attached according to the appearance of the silencer or the exhaust pipe, heat dissipation can be effectively prevented, and the heat insulation performance is far better than that of a traditional metal mesh pore plate. The silencer is suitable for high temperature of various working conditions, protects the silencer and peripheral parts, reduces the fire risk, guarantees personnel safety and environmental protection, improves the overall operation stability and reliability of the forklift, and has wide application value.

The invention discloses a high silica fiber-carbon fiber composite reinforced phenolic resin and a preparation method thereof. The preparation method comprises the following steps: providing a premix, and pretreating the premix; adding the pre-treated premix into a first mold cavity for pre-pressing, and then performing first cooling and mold stripping to obtain a pre-pressed material; and adding the pre-pressed material into a second mold cavity for pressurization, and then carrying out curing, secondary cooling demolding and post-curing to obtain the high silica fiber-carbon fiber composite reinforced phenolic resin. Wherein the pre-pressed material comprises a high silica fiber-phenolic resin pre-pressed material and a carbon fiber-phenolic resin pre-pressed material; according to the method, the high-silica fiber reinforced phenolic resin and the carbon fiber reinforced phenolic resin are compounded in the mode of independent pre-pressing, overall mold pressing and curing, an existing bonding procedure is omitted, the process is simple, the production efficiency is high, the high-silica fiber part and the carbon fiber part are distributed well, the defects of cracks, looseness and the like do not exist, and the risk of debonding does not exist.

The present invention discloses a drying device for silicon dioxide production, which belongs to the field of silicon dioxide processing, and comprises a drying cylinder, a drying assembly is arranged at the lower side of the drying cylinder, the drying assembly comprises an air supply part and a feeding part, the air supply part comprises a support seat fixedly connected to the outer surface of the lower end of the drying cylinder, a connecting pipe is fixedly connected between the support seat and the drying cylinder, an air inlet pipe is fixedly connected to the outer surface of the connecting pipe, an air hole is provided on the outer surface of the lower end of the drying cylinder, and the feeding part comprises a support pipe fixedly connected to the lower end of the inner surface of the drying cylinder. The silicon dioxide gel can be continuously cut by a cutter making a circular motion, so that the silicon dioxide gel is cut into sheets, thereby reducing the volume of the silicon dioxide gel, and can increase the contact area between the silicon dioxide gel and the high-temperature gas, so that the warm gas is fully in contact with the silicon dioxide, thereby effectively improving the silicon dioxide drying speed.

A fire resistant radiating coaxial cable that employs a high-silica fiberglass yarn spacer is described. The yarn material has mass fraction of silica (SiO2) between 95.0% and 96.5%, a mass fraction of aluminum oxide (Al2O3) greater than 3%, and a mass fraction of calcium oxide (CaO) less than 0.5%. The yarn can be wound in a low-helix-angle helix around the center conductor such that less than half fills the annular space between it and the outer conductor. The cable is configured to maintain a relatively coaxial relation between a center conductor and an outer conductor under intense fire conditions.

The invention relates to a vacuum-assisted compression molding method and mold for a nano microporous insulation panel, and the method comprises the following specific steps: S1, preparing a composite glass fiber cloth bag: uniformly mixing organosilicon modified epoxy resin, hydrophobic nano silicon dioxide, diethylenetriamine, an amino silane coupling agent, polyethylene glycol and acetone to prepare coating slurry, and carrying out vacuum compression molding on the composite glass fiber cloth bag to prepare the composite glass fiber cloth bag; dipping a glass fiber cloth bag in the coating slurry to obtain a composite glass fiber cloth bag; s2, preparing composite powder: mixing and stirring fumed silica, an opacifying agent and high silica fibers to obtain nano-microporous composite powder; s3, the pressing forming mold is positioned and overturned; s4, vertically and flatly spreading the cloth bag; s5, charging and sealing; s6, the mold frame is overturned; and S7, compression molding. Through the synergistic effect of the microporous coating structure of the composite glass fiber cloth bag and the vacuum-assisted compression molding process, the nano microporous heat insulation plate which is high in flatness, free of wrinkles, uniform in edge core density and excellent in heat insulation performance is prepared.

The present invention provides a composition for preparing high-silica glass fiber, high-silica glass fiber and a preparation method thereof, belonging to the technical field of glass fiber. The composition for preparing high-silica glass fiber comprises the following components in terms of weight percentage: 65-75% of SiO2, 15-25% of B2O3, 5-15% of Na2O, 0.5-3% of Al2O3, 0.2-1.5% of Fe2O3, and 0.5-3% of P2O5. By regulating the contents of various components in the raw materials for preparing glass fiber, the present invention improves the uniformity of the melted glass and the stability of the melting and wire-drawing process, and the obtained high-silica glass fiber has a high silica content and low cost, and is suitable for industrial production.

The present application discloses a solid rocket nozzle composite expansion section and a forming method thereof, belonging to the technical field of composite expansion section forming, including: an ablation layer, the ablation layer includes a polyacrylonitrile carbon fiber / boron phenolic resin material layer, and is formed by premixing the acrylonitrile carbon fiber and the boron phenolic resin and molding by pressing; a heat insulation layer, the heat insulation layer includes a high silica cloth tape / boron phenolic resin material layer; the heat insulation layer is wound outside the ablation layer, and a multi-ring structure is formed at the connection interface between the ablation layer and the heat insulation layer. The present invention has the dual effects of anti-ablation and heat insulation, with a low ablation rate, and the structural connection is safe and reliable, the product interface size is stable, and the consistency is good.

The present invention belongs to the technical field of refractory material preparation, and specifically relates to a method for manufacturing mullite-high silica glass composite materials using hard clay. The preparation method consists of the following steps: (1) Mix hard clay, topaz, molybdenum tailings, and lithium mica lithium slag to obtain a mixture, and then perform crushing and classification screening to prepare mixture granular materials with different particle sizes; (2) Mix the mixture granular materials with different particle sizes, and then add a mixture of sodium dihydrogen phosphate dihydrate, yttrium oxide, and tungsten trioxide for grinding to prepare a powder; (3) Press into a green body and then dry; (4) Fire to prepare mullite-high silica glass composite materials. The mullite-high silica glass composite materials prepared by the method of the present invention have excellent refractoriness and a low coefficient of thermal expansion.

The invention discloses a low-cost high-temperature composite thermal insulation material and a preparation method thereof, and relates to the technical field of thermal insulation materials. The material is composed of a fiber matrix layer and a high-emission coating, and the fiber matrix layer is of a five-layer laminated structure including a base layer (powder quartz fiber), a middle reinforcing layer (English micro fiber cloth), a main heat insulation layer (fly ash fiber), a reinforcing heat insulation layer (quartz continuous fiber fabric) and a coating bearing layer (high silica continuous fiber fabric). All the layers are sewn through alumina fiber threads to form a stable framework; the surface is coated with a SiC / ZrO2 composite high-emission coating, and integrated forming is achieved through a single spraying process. The fly ash fiber is used as a core raw material, the low-cost quartz fiber and the industrial solid waste are recycled, and the material cost is reduced by 40% or above; through optimization of the porosity of the fiber network and the synergistic effect of the SiC / ZrO2 coating, the heat insulation material has the advantages of excellent heat insulation, high temperature resistance and process simplification, and is suitable for the fields of aerospace, metallurgy, petrifaction and the like.

The utility model relates to the technical field of silicon dioxide packaging, in particular to a silicon dioxide packaging mechanism which comprises a supporting plate, supporting legs are fixed to the four corners of the bottom of the supporting plate, a discharging bin is fixed to the bottom of the supporting plate, a rotating shaft is arranged in the discharging bin, two quantitative barrels are fixed to the outer side of the rotating shaft, and the two quantitative barrels are both connected into the discharging bin in a sliding mode. And stirring shafts are rotationally connected into the two quantitative cylinders. Filtered silicon dioxide enters from a feeding port of a discharging bin and fills a quantitative barrel on the upper side, the quantitative barrel on the upper side rotates to the lower side, and silicon dioxide in the quantitative barrel is poured into a packaging bag from a discharging port of the discharging bin, so that quantitative discharging of silicon dioxide is achieved, and the accuracy of silicon dioxide packaging is improved; the gear at the front end of the stirring shaft is meshed with the rack, so that the stirring shaft is driven to rotate, the silicon dioxide in the quantitative cylinder is stirred, the caked silicon dioxide is scattered while the silicon dioxide is scattered, and the packaging quality of the silicon dioxide is improved.

The invention discloses a high-flame-retardant and high-temperature-resistant composite material and a preparation method thereof, and relates to the technical field of high-molecular compound compositions, the high-flame-retardant and high-temperature-resistant composite material comprises 50-60 parts of polyether sulfone, 10-15 parts of polyimide, 15-20 parts of chopped high silica fibers, 12-15 parts of modified nano magnesium hydroxide, 5-7 parts of zinc borate, 3-5 parts of a phosphazene flame retardant, 3-4 parts of pentaerythritol, and 3-4 parts of polyetherimide; preferably, 5-8 parts of mica powder, 0.8 part of antioxidant 1010 and 0.5 part of zinc oxide are adopted. The preparation method comprises the following steps: drying the pretreated material, mixing the raw materials except the phosphazene flame retardant and the pentaerythritol at a high speed, performing twin-screw extrusion, and performing injection molding. The silane coupling agent is 3-aminopropyltriethoxysilane, and the concentration of the ethanol solution is 1-3%; the high-flame-retardant high-temperature-resistant cable material has good high-flame-retardant and

The invention discloses a thermal insulation material based on thermal response nanoparticles and thermal radiation reflection and a preparation method thereof. Comprising a high-silica glass fiber cloth layer for high-temperature-resistant protection, and an aluminum silicate ceramic fiber felt layer for heat transfer and heat insulation, a polyphosphazene and organic silicon high-temperature adhesive layer for thermal response bonding and an aluminum foil layer for inhibiting thermal radiation reflection which are sequentially arranged in the high-silica glass fiber cloth layer. Efficient heat insulation can be achieved at the high temperature. The heat insulation mechanism is that heat transfer and heat radiation are inhibited; the high silica glass fiber cloth protects the internal structure and provides a high heat-resistant temperature; the aluminum silicate ceramic fiber felt inhibits heat conduction; a layer composed of the aluminum foil, the polyphosphazene and the high-temperature glue inhibits thermal radiation, and the thermal response nanoparticles can enhance the thermal insulation effect after being heated. And the polyphosphazene and the high-temperature glue form a bonding layer which is used for connecting the structures and assisting in shaping. The material is high in strength, heat insulation efficiency and heat-resistant temperature, the preparation process is simple and practical, the problem that heat radiation and heat transfer of a traditional material are difficult to restrain is solved, and a solution is provided for improving the heat insulation efficiency.

The compression molding method comprises the following steps: firstly, pre-pressing a carbon fiber raw material and a high-silica raw material through a preheated pre-pressing mold to obtain a carbon fiber pre-formed part and a high-silica pre-formed part; the pre-pressing pressure on the high silica raw material and the carbon fiber raw material is 70-90% of the pressure required for completely forming the material; and sleeving the carbon fiber preform and the high-silica preform according to the structure of the double-layer lining product, putting the carbon fiber preform and the high-silica preform into the preheated final pressing mold, and pressurizing to forming pressure to obtain the double-layer lining product. According to the forming method, the production period is short, the production efficiency is high, the high silica layer and the carbon fiber layer in the formed double-layer lining product are bonded reliably, the problem that cracking is prone to occurring during secondary curing of a traditional double-layer spray pipe lining machining method is solved, and the high-performance requirement of a modern spray pipe is met.

The invention discloses high silica glass fiber glass fabric heat insulation performance test equipment, and relates to the technical field of glass fabric, the high silica glass fiber glass fabric heat insulation performance test equipment comprises a rack, a housing, a test space and a test assembly, and the test assembly comprises a heat source generator, a fixing mechanism and a detection mechanism. According to the invention, the glass fabric is fixed through the arranged fixing mechanism, and the fixing mechanism can adjust the distance between the glass fabric and the heat source generator, so that the detection mechanism can carry out gradient detection on heat emitted by the heat source generator in the test space; the control group is set to carry out contrast detection at the same time and under the same condition, so that the detection mechanism can detect and compare the temperature at the same position under the almost same condition, and the heat insulation performance of the glass fabric can be visually obtained.

The invention discloses an ultra-thin heat insulation coating for a new energy power battery, and relates to the technical field of heat insulation coatings, and the ultra-thin heat insulation coating for the new energy power battery is composed of hyperbranched organic silicon resin, toluene, a dispersing agent, a defoaming agent, maleic anhydride modified hollow ceramic microbeads, modified zirconia ceramic fibers and other raw materials. A double-component curing system is adopted, a coating is high in hardness, good in adhesive force and flexibility and excellent in weather resistance and impact resistance, the modified heat insulation filler is evenly dispersed in the coating and cannot settle in the curing process, the spraying thickness of the heat insulation coating is about 200-500 micrometers, and the heat insulation coating is good in heat insulation performance and good in heat insulation effect. Compared with mica plates, superfine glass wool, high silica cotton felt and other materials, the light weight design of a coated base material is achieved, various special-shaped base materials can be evenly covered, a stable protection layer is provided, the overall stability of a battery system is enhanced, the coating further has the light weight and miniaturization characteristics, the overall weight of a new energy automobile can be reduced, and the energy efficiency ratio is increased.

According to the present application, provided are: a silica glass cloth which comprises glass yarns having a high silica (SiO2) content and which has little fluff; and a prepreg, a printed wiring board, and the like, each of which comprises the silica glass cloth. The glass cloth according to the present application is configured from glass yarns comprising a plurality of filaments as warp yarns and weft yarns, wherein the glass yarns have a silicon (Si) content of 95.0-100 mass% in terms of silica (SiO2). The glass cloth has a thickness (T) of 80 [mu] m or less, and satisfies {the number of warp bundle segments (N)-0.2} / thickness (T) [[mu] m] lt; and 0.056%.

The invention relates to the field of high-silica glass fiber impregnating compounds, in particular to a high-silica glass fiber impregnating compound and a preparation method thereof.The high-silica glass fiber impregnating compound is prepared from brand-new impregnating compound component raw materials in percentage by mass (wt%) of the impregnating compound: 0.5-5.0% of epoxy resin, 0.5-5.0% of PAO-20, 0.5-2.5% of isopropyl laurate, 0.2-0.6% of S-80, 0.2-1.2% of T-80 and 0.2-1.5% of oxidized starch; the cleaning agent comprises the following components in parts by weight: 0.3-2.5 parts of ethylene-vinyl acetate copolymer, 0.1-1.5 parts of citric acid and 80.2-97.5 parts of deionized water. According to the impregnating compound disclosed by the invention, epoxy resin is selected as a film-forming agent, PAO-20 is selected as a plasticizer, isopropyl laurate is selected as a lubricant and various auxiliaries, so that the wear resistance and lubrication rate of high-alkali high-silica glass fiber continuous yarns in the processes of wire drawing, combined spinning and weaving are improved, the erosion of atmosphere to fibers is reduced, hairiness generated by the fibers in the spinning process is reduced, and the service life of the high-alkali high-silica glass fiber continuous yarns is prolonged. Meanwhile, the stability of the impregnating compound emulsion under an acidic condition is also improved.

The present application relates to the field of solid rocket engine, specifically relates to a kind of solid rocket engine expansion section and its forming method, the expansion section includes carbon layer, the carbon layer includes carbon cloth tape / phenolic resin material layer;High silica layer, the high silica layer includes high silica cloth tape / phenolic resin material layer;The high silica layer is wound outside the carbon layer, the carbon layer and the high silica layer connection interface are conical surface;And the high silica layer and the carbon layer are integrally cured and formed;The expansion section product of the present application does not need multiple machine, and the carbon layer and the high silica layer interface of expansion section product are high in bonding strength, reduce the waste of carbon cloth tape / phenolic resin material layer and high silica cloth tape / phenolic resin material layer, while guaranteeing the thickness requirement of required carbon layer and high silica layer, meet the performance requirement of expansion section when bearing high temperature, ablation and mechanical load.

The utility model discloses a flexible fire-resistant 1000 DEG C special cable, which sequentially comprises a cable core, a filling layer, a reinforcing layer and an outer sheath from inside to outside, the cable core comprises a plurality of wire cores formed by twisting, the filling layer is extruded on the outer side of the cable core to form a round structure, and the reinforcing layer is extruded on the outer side of the outer sheath. The cable core comprises a conductor, an insulating tape layer wrapped outside the conductor and an insulating rubber layer extruded outside the insulating tape layer, the reinforcing layer comprises a nickel-plated copper wire braid layer and a high silica fiber cloth wrapping layer, the nickel-plated copper wire braid layer is woven outside the filling layer, the high silica fiber cloth wrapping layer is wrapped outside the nickel-plated copper wire braid layer, and the high silica fiber cloth wrapping layer is wrapped outside the high silica fiber cloth wrapping layer. And the outer sheath is extruded on the outer side of the high silica fiber cloth wrapping layer. The flexible fire-resistant 1000 DEG C special cable of the utility model has the advantages of high flexibility, strong fire resistance, anti-interference capability, and effectively improved comprehensive performance.

The invention discloses a high silica fiber and basalt fiber composite aerogel felt and a preparation method thereof. The composite material is prepared from the following raw materials in parts by weight: 50 to 65 parts of high silica fiber, 35 to 50 parts of basalt fiber and 50 to 60 parts of aerogel. The high-silica fiber aerogel felt has the advantages of excellent heat insulation performance, low cost and excellent aging resistance, and can solve the problems existing in the application of high-silica fiber aerogel felts and basalt fiber aerogel felts in the field of fire prevention and heat insulation of bridges.

The invention discloses a fire control blanket and a preparation process thereof, and the fire control blanket is characterized in that the fire control blanket comprises a base material layer formed by weaving fibers prepared by drawing, dewaxing, purifying and sintering high silica fibers, the content of silicon dioxide in the high silica fibers is greater than or equal to 96%, a flame-retardant enhancement layer formed by mixing and weaving silicon carbide fibers and basalt fibers according to the proportion of 1: 1, and the flame-retardant enhancement layer is formed by weaving silicon carbide fibers and basalt fibers according to the proportion of 1: 1. The pre-reinforced adhesive layer is embedded into the base material layer to form a three-dimensional reinforced structure, the pre-reinforced adhesive layer is formed by mixing a low-viscosity aluminum phosphate adhesive solution and chopped refractory fibers, the refractory fibers are one or a combination of ceramic fibers (Al2O3SiO2), alumina fibers (Al2O3 is greater than or equal to 95%) and alumina silicate fibers, the diameter of the fibers is 5-15 microns, the length of the fibers is 3-8 mm, and the coating amount of the pre-reinforced adhesive layer is 20-40 g / m < 2 >. The tensile fracture resistance and puncture resistance of the fire control blanket are improved, the high temperature resistance is improved, and the interface bonding force of the fireproof layer is improved.

The application discloses a cotton fabric with fireproof and heat insulation functions and a preparation method and application thereof, and belongs to the technical field of fireproof and heat insulation function composite materials and preparation thereof. The application solves the problems that the existing cotton fabric with fireproof and heat insulation functions has a complex production process, a long production period and cannot be quickly produced and prepared. The application deposits silica fibers on the surface of the cotton fabric, so that the cotton fabric has the characteristics of low heat conduction efficiency and good heat insulation. After the silica nanofibers are deposited on the surface of the cotton fabric, a silica protective layer is formed when heated, so as to isolate external heat and oxygen, and good fireproof and flame-retardant types are exhibited. In addition, before the silica fibers are deposited on the surface of the cotton fabric, the cotton fabric is pretreated by using a silane coupling agent, so that the deposition efficiency of the silica fibers is effectively improved, and the preparation period of the cotton fabric with fireproof and heat insulation functions is effectively shortened.

The utility model discloses elasticity detection equipment for processing high-silica fiber cloth, which is provided with a detection machine for detecting elasticity of fiber cloth, a lifting frame is movably arranged on the inner surface of the detection machine in a threaded manner, and a visual scanning seat is mounted on the lower side of the inner surface of the detection machine; comprising an elastic force detector which is installed on the lower surface of the lifting frame, a clamping mechanism is installed on the lower surface of the elastic force detector, a worm is rotationally arranged on the inner surface of the clamping mechanism, and meanwhile a worm gear is meshed with the outer surface of the worm. According to the elastic force detection equipment for processing the high-silica fiber cloth, the lifting frame for driving the elastic force detector and the clamping mechanism for the upper part is arranged and is matched with the clamping mechanism for the lower part for synchronous use, so that the clamping stability is improved; the clamping stability of the cloth body is controlled, falling is prevented, and the state of the cloth body is monitored and recorded in real time in cooperation with a visual scanner.